一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) YW4b m
~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc) 4 _c:Vl
例句：Helen is the most beautiful girl that I have ever seen. R:pBbA7E
二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V
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例句：Nothing is more important than to receive education. E,Z B;
三、~~~ cannot emphasize the importance of ~~~ too much.(再怎么强调...的重要性也不为过。) _!$Up
例句：We cannot emphasize the importance of protecting our eyes too much. ^w&5@3d
四、There is no denying that + S + V ...(不可否认的...) c4qp3B_w
例句：There is no denying that the qualities of our living have gone from bad to worse. $Z(g=nS>
五、It is universally acknowledged that + 句子~~ (全世界都知道...) AK*mcTr
例句：It is universally acknowledged that trees are indispensable to us. vP87{J*DE1
六、There is no doubt that + 句子~~ (毫无疑问的...) ga 2Q3mV
例句：There is no doubt that our educational system leaves something to be desired. O0=, &=i
七、An advantage of ~~~ is that + 句子 (...的优点是...) Dbk
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例句：An advantage of using the solar energy is that it won’t create (produce) any pollution. <De3mZb
八、The reason why + 句子 ~~~ is that + 句子 (...的原因是...) r:8]\RU
例句：The reason why we have to grow trees is that they can provide us with fresh air./ The reason why we have to :>er^\
grow trees is that they can supply fresh air for us. nM (=bEX
九、So + 形容词 + be + 主词 + that + 句子 (如此...以致于...) bH WvKv+
例句：So precious is time that we can’t afford to waste it. q _T?G e
十、Adj + as + Subject(主词)+ be, S + V~~~ (虽然...) 1
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例句：Rich as our country is, the qualities of our living are by no means satisfactory. {by no means = in no way = on no account 一点也不} oZ*=7u
十一、On no account can we + V ~~~ (我们绝对不能...) # 1qVFU
例句：On no account can we ignore the value of knowledge. _'v }=:X
十二、It is time + S + 过去式 (该是...的时候了) e2Kpx8kWj
例句：It is time the authorities concerned took proper steps to solve the traffic problems. x9o^9QJh
十三、There is no one but ~~~ (没有人不...) -Y jv&5
例句：There is no one but longs to go to college. C$..w80/1
十四、be + forced/compelled/obliged + to + V (不得不...) 9^
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例句：Since the examination is around the corner, I am compelled to give up doing sports. Cf1wM:K|8
十五、It pays to + V ~~~ (...是值得的。) XB!`*vZ/<
例句：It pays to help others. \Q?|g fJH
十六、Spare no effort to + V (不遗余力的) jO3u]5}. 6
例句：We should spare no effort to beautify our environment. VqO<+~M,E
